The Tripp Lite B126-1A1SR Extender Kit uses Cat5/6 cables to transmit HDMI video and audio, RS-232 serial, and IR Remote Control signals up to 328 ft. at a resolution of 3840 x 2160 (4K x 2K) @ 24/30HZ. It works with any operating system and HDMI video source, is plug and play, and features 7.1-channel surround sound, DTS-HD, and Dolby TrueHD support. With its 1-year limited warranty, this reliable kit is perfect for digital signs and trade show presentations.